xx = 1:600;
SIC = data_y(401:1000,1);
dSIC = data_y1(1,401:1000);
SIC = (SIC-min(SIC)) / (max(SIC)-min(SIC));
% dSIC = (dSIC-min(dSIC)) / (max(dSIC)-min(dSIC));

figure(1),plot(dSIC*100+150 ,'y')
% xlabel('帧数','fontsize',13,'FontWeight','bold'),
% ylabel('离散特征值','fontsize',13,'FontWeight','bold'),
% lgd = legend('SIC','dSIC');
axis off